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The amount of chemistry and materials science that went into tube manufacture is quite amazing. It was nearly as complex as semiconductor fabrication is today. Entire industries sprung up (and died) to service the electron tube business. The closest thing I have seen to a comprehensive book on making tubes is the 1962 RCA manual "Electron Tube Design". Available here: http://www.tubebooks.org/Books/Atwoo...e%20Design.pdf Last edited by N2IXK; 02-27-2018 at 11:48 AM. |
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